Appeal 2007-0643
Application 10/015,825
INTRODUCTION
The claims are directed to method and apparatus for managing a
hierarchical storage management (HSM) system. HSM is used for freeing
up more expensive storage devices (e.g., magnetic disks) by migrating data
files meeting certain criteria to lower-cost storage media (e.g., magnetic
tape). (Specification 1.) Claim 1 is illustrative:
1. A method of managing a hierarchical storage management (HSM)
environment, the environment including at least one HSM server and at least
one file server having stored a managed file system, wherein the at least one
HSM server and the at least one file server are interconnected via a network
and wherein digital data files are migrated temporarily from the at least one
file server to the at least one HSM server, the method comprising:
providing at least one list for identifying candidate data files to be
migrated;
prespecifying a scanning scope determined by a number of candidate
data files;
scanning the managed file system until having reached the
prespecified number of migration candidate data files;
selecting migration candidate data files according to at least one
attribute;
recording the selected migration candidate data files in the provided at
least one list for identifying candidate data files; and
migrating at least part of the selected candidate data files identified in
the at least one list for identifying candidate data files from the file server to
the HSM server.
The Examiner relies on the following prior art reference to show
unpatentability:
2
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